625303303 has 2 divisors, whose sum is σ = 625303304. Its totient is φ = 625303302.

The previous prime is 625303279. The next prime is 625303321. The reversal of 625303303 is 303303526.

625303303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625303303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625303103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312651651 + 312651652.

It is an arithmetic number, because the mean of its divisors is an integer number (312651652).

Almost surely, 2^625303303 is an apocalyptic number.

625303303 is a deficient number, since it is larger than the sum of its proper divisors (1).

625303303 is an equidigital number, since it uses as much as digits as its factorization.

625303303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 625303303 is about 25006.0653242368. The cubic root of 625303303 is about 855.1262551946.

Adding to 625303303 its reverse (303303526), we get a palindrome (928606829).

The spelling of 625303303 in words is "six hundred twenty-five million, three hundred three thousand, three hundred three".